<template>
    <div>
<!--      面包屑导航-->
      <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>商品管理</el-breadcrumb-item>
        <el-breadcrumb-item>商品列表</el-breadcrumb-item>
      </el-breadcrumb>
<!--      卡片视图区域-->
       <el-card>
         <el-row :gutter="20">
           <el-col :span="8">
             <el-input
                 clearable
                 @clear="getGoodsList"
                 v-model="queryInfo.query"
                 placeholder="请输入内容">
               <template #append>
                 <el-button icon="el-icon-search" @click="getGoodsList"></el-button>
               </template>
             </el-input>
           </el-col>
           <el-col :span="4">
             <el-button type="primary" @click="goAddpage">添加商品</el-button>
           </el-col>
         </el-row>

<!--  表格区域-->
         <el-table :data="goodslist" border stripe>
           <el-table-column type="index"></el-table-column>
           <el-table-column label="商品名称" prop="goods_name"></el-table-column>
           <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
           <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
           <el-table-column label="创建时间" prop="add_time" width="150px">
             <template v-slot="scope">
               {{$filters.dateFormat(scope.row.add_time)}}
             </template>
           </el-table-column>
           <el-table-column label="操作" width="200px">
             <template v-slot="scope">
               <el-button type="primary" size="mini" icon="el-icon-edit">编辑</el-button>
               <el-button type="danger"
                          size="mini"
                          @click="removeById(scope.row.goods_id)"
                          icon="el-icon-delete">删除</el-button>
             </template>
           </el-table-column>
         </el-table>

<!--         分页区域-->
         <el-pagination
             @size-change="handleSizeChange"
             @current-change="handleCurrentChange"
             :current-page="queryInfo.pagenum"
             :page-sizes="[5, 10, 15, 20]"
             :page-size="queryInfo.pagesize"
             layout="total, sizes, prev, pager, next, jumper"
             :total="total" background>
         </el-pagination>

       </el-card>

    </div>
</template>

<script>
export default {
  name: "List",
  data() {
    return{
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      goodslist: [],
      total: 0,

    }
  },
  created() {
    this.getGoodsList()

  },
  methods: {
    async getGoodsList() {
      const {data:res} = await this.$http.get('goods',{params: this.queryInfo})
      if (res.meta.status !== 200){
        return this.$message.error('获取商品列表失败！')
      }
      this.$message.success('获取商品列表成功！')
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    async removeById(id) {
      const confirmResult =  await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm'){
        return this.$message.info('已取消删除！')
      }
       const {data:res} = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200){
        return this.$message.error('删除失败！')
      }
      this.$message.success('删除成功！')
      this.getGoodsList()
    },
    goAddpage() {
      this.$router.push('/goods/add')
    },

  },

}
</script>

<style lang="less" scoped>

</style>
